Classificatie / Names
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Osteoglossiformes (Bony tongues) >
Mormyridae (Elephantfishes)
Etymology: Marcusenius: Becasue of J. Marcusen, author of "Zur Phauna des Schwarzen Meeres", 1867; ichthyologist; kaninginii: Marcusenius kaninginii is dedicated to Professor Boniface Kaningini Mwenyimali, director of UERHA and rector of ISP/Bukavu; he supported in various ways the sampling expeditions of Tchalondawa Kisekelwa in the Lowa system (Ref. 113607).
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch; pH range: 7.0 - 7.0. Tropical; 22°C - 22°C (Ref. 113607)
Africa: middle Lowa River (Lualaba drainage, upper Congo River basin), in Democratic Republic of the Congo (Ref. 113607).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm SL mannelijk / geslacht onbekend; (Ref. 113607)
Korte beschrijving
Morfologie | Morfometrie
Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 18-23; Anale stekels 0; Anale zachte stralen: 27 - 30; Wervels: 42 - 44. Diagnosis: Marcusenius kaninginii belongs to the group of Marcusenius species with eight large circumpeduncular scales (Ref. 113607). Within this group it can be distinguished from M. dundoensis, M. fuscus and M. sanagaensis by its lower number of lateral line scales, 43-47 vs. 49-61; it differs from M. ghesquierei and M. kutuensis by having fewer dorsal-fin rays, 18-23 vs. 27-34; and from M. schilthuisiae by fewer anal-fin rays, 27-30 vs. 32-35 (Ref. 113607). It is distinguished from M. intermedius by a higher number of lateral line scales, 43-47 vs. 38-43, and a higher total vertebrae number, 42-44 vs. 40-41; furthermore, it can be distinguished from M. intermedius by the terminal mouth position and the rounded shape of the snout vs. mouth sub-terminal and the snout pointed; it is distinguished from M. moorii by the blackish longitudinal band along the lateral line; the shallower body at the anterior base of the anal-fin depth, 25.0-28.4% of standard length vs. 28.1-33.5; the shorter pectoral fin, 15.5-19.1% of standard length vs. 17.7-22.8; and the deeper caudal peduncle, 39-57% of its length vs. 27-42 (Ref. 113607).
Found in shallow water, ±1-2 m), near the shores; it has been collected at stations with low water velocity, near roots of vegetation or dead wood and at places with foliage-shade (Ref. 113607).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Kisekelwa, T., G. Boden, J. Snoeks and E. Vreven, 2016. Marcusenius kaninginii, a new species of elephantfish from the Lowa River basin, Democratic Republic of the Congo (Osteoglossiformes: Mormyridae). Ichthyol. Explor. Freshwat. 26(4):341-352. (Ref. 113607)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij:
Meer informatie
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00251 - 0.01261), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
